Originally posted by CarpePoon:
your trunk vibrations are not being caused by the air passing through the rear deck. In a sense its caused by panel flex. You need to deaden your panels (trunk lid, floor, quarter panels, rear deck etc.) That is what Dynamat and the other companies do, they take the tin-like flex out of the pannels its applied to.
Don't block your vents, your heater and a/c are going to struggle when your windows are up. And you'll be trapped in your own farts because there's no where for them to excape the car. 
Ive taken car of the rear deck removed the insulation now all there is some in in between the sheet metal and between the trunk lid and hatch contact points. The only vent that are blocked were the outside air vent that only go between the inside of the trunk and the outside air. I just need a good opinion on what i should do OTHER then dynamat I dont plan to spend around 100+ fixin this problem.
99' Contour SE
2 Kicker CompVR 12'
2400 Watt Pyle ProRed
2 6X8 Infinity REF
Alpine 9856
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